This is a large LED table stand for stereo microscopes. It comes with a LED top and a LED reflect plate bottom light. Features & Specifications: A Super Large Size Table Stand with two LED Lights for Stereo Microscopes Height of Track Arm: 11.8 (300mm) Tracking Range: 7.9 (200mm) Base Dimension: Width: 11.4 /9.1 (Max:290mm/Min:230mm) depth: 11.8 (300mm) Incident (Top) Illumination: 30 high-intensity LED white-color bulbs LED Reflecting-Plate (Bottom) Illuminator: 3-3/4 (95 mm in diameter) LED reflecting plate Shipping Weight: 15 lbs (7 kg) Manufactured under ISO 9001 Quality Control Standard Excellent Five (5) Year Factory Warranty Unbeatable Low Price Guaranteed or the Difference Back! Satisfaction Guaranteed or Your Money Back!